X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=wrapper%2Fkallsyms.h;h=8200018a38e59b5959c51d5952b3052ecaed74f5;hb=ef4fa77f68be990026cf91e2731728f87ed0a5b6;hp=f07788a04913ae2219a30edfb5102ac29f12e9ab;hpb=886d51a3d7ed5fa6b41d7f19b3e14ae6c535a44c;p=lttng-modules.git

diff --git a/wrapper/kallsyms.h b/wrapper/kallsyms.h
index f07788a0..8200018a 100644
--- a/wrapper/kallsyms.h
+++ b/wrapper/kallsyms.h
@@ -28,6 +28,16 @@
 
 #include <linux/kallsyms.h>
 
+/*
+ * PowerPC ABIv1 needs KALLSYMS_ALL to get the function descriptor,
+ * which is needed to perform the function call.
+ */
+#if defined(CONFIG_PPC64) && (!defined(_CALL_ELF) || _CALL_ELF < 2)
+# ifndef CONFIG_KALLSYMS_ALL
+#  error "LTTng-modules requires CONFIG_KALLSYMS_ALL on PowerPC ABIv1"
+# endif
+#endif
+
 static inline
 unsigned long kallsyms_lookup_funcptr(const char *name)
 {
@@ -42,4 +52,10 @@ unsigned long kallsyms_lookup_funcptr(const char *name)
 #endif
 	return addr;
 }
+
+static inline
+unsigned long kallsyms_lookup_dataptr(const char *name)
+{
+	return kallsyms_lookup_name(name);
+}
 #endif /* _LTTNG_WRAPPER_KALLSYMS_H */